Please use this identifier to cite or link to this item: https://doi.org/10.2196/25094
Title: Blockchain Personal Health Records: Systematic Review
Authors: HAO SEN, ANDREW FANG 
Tan, Teng Hwee
YAN FANG, CHERYL TAN 
CHUN JIN, MARCUS TAN 
Keywords: Science & Technology
Life Sciences & Biomedicine
Health Care Sciences & Services
Medical Informatics
blockchain
personal health records
electronic health records
distributed ledger
systematic review
ACCESS-CONTROL
FRAMEWORK
PRIVACY
CARE
Issue Date: 13-Apr-2021
Publisher: JMIR PUBLICATIONS, INC
Citation: HAO SEN, ANDREW FANG, Tan, Teng Hwee, YAN FANG, CHERYL TAN, CHUN JIN, MARCUS TAN (2021-04-13). Blockchain Personal Health Records: Systematic Review. JOURNAL OF MEDICAL INTERNET RESEARCH 23 (4). ScholarBank@NUS Repository. https://doi.org/10.2196/25094
Abstract: Background: Blockchain technology has the potential to enable more secure, transparent, and equitable data management. In the health care domain, it has been applied most frequently to electronic health records. In addition to securely managing data, blockchain has significant advantages in distributing data access, control, and ownership to end users. Due to this attribute, among others, the use of blockchain to power personal health records (PHRs) is especially appealing. Objective: This review aims to examine the current landscape, design choices, limitations, and future directions of blockchain-based PHRs. Methods: Adopting the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) guidelines, a cross-disciplinary systematic review was performed in July 2020 on all eligible articles, including gray literature, from the following 8 databases: ACM, IEEE Xplore, MEDLINE, ScienceDirect, Scopus, SpringerLink, Web of Science, and Google Scholar. Three reviewers independently performed a full-text review and data abstraction using a standardized data collection form. Results: A total of 58 articles met the inclusion criteria. In the review, we found that the blockchain PHR space has matured over the past 5 years, from purely conceptual ideas initially to an increasing trend of publications describing prototypes and even implementations. Although the eventual application of blockchain in PHRs is intended for the health care industry, the majority of the articles were found in engineering or computer science publications. Among the blockchain PHRs described, permissioned blockchains and off-chain storage were the most common design choices. Although 18 articles described a tethered blockchain PHR, all of them were at the conceptual stage. Conclusions: This review revealed that although research interest in blockchain PHRs is increasing and that the space is maturing, this technology is still largely in the conceptual stage. Being the first systematic review on blockchain PHRs, this review should serve as a basis for future reviews to track the development of the space.
Source Title: JOURNAL OF MEDICAL INTERNET RESEARCH
URI: https://scholarbank.nus.edu.sg/handle/10635/209487
ISSN: 1438-8871
DOI: 10.2196/25094
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